Finding the Fourth Proportional to 365,324.20, 547,986.30 and 128,933.80
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Solution
The fourth proportional to 365,324.20, 547,986.30 and 128,933.80 is: 193,400.70
Step by Step Solution
- Step 1: Write the proportion equation
365,324.20 : 547,986.30 = 128,933.80 : x - Step 2: Convert to fraction form
365,324.20/547,986.30 = 128,933.80/x - Step 3: Cross multiply
365,324.20x = 547,986.30 × 128,933.80 - Step 4: Simplify right side
365,324.20x = 70,653,956,006.94 - Step 5: Solve for x
x = 70,653,956,006.94/365,324.20 - Step 6: Final answer
x = 193,400.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.